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| column | configurations 1–2 | ||
|---|---|---|---|
| 1 | PR | FE | BD |
| column | configurations 3–6 | |||||
|---|---|---|---|---|---|---|
| 1 | PR | FE | PPE | BD | BD | RPE |
| 2 | BD | BD | RPE | PR | FE | PPE |
| column | configuration 7 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | PR | FE | PPE | PPE | BD | BD | RPE | ID | RPE |
| 2 | RPE | ID | RPE | PR | FE | PPE | PPE | BD | BD |
| 3 | PPE | BD | BD | RPE | ID | RPE | PR | FE | PPE |
